Auxiliary Machinery. Test 87

What best describes the boiler 'easing gear'?

Should water be circulated through the main engine during a port stay, and if so why ?

No, as this will prevent the auxiliary engines attaining the correct temperature.
Yes, as this will maintain watertight condition of hoses and connections.
Yes, circulating the auxiliary jacket water will maintain the main engine temperature.
No, as this would result in extra water consumption from main engine water leaks.

What is the purpose of the scum valves on the auxiliary boiler?

Where is the filter/drier unit fitted in the refirgerant line?

What does the sight glass indicate in a refrigerator system?

Review Answers